Glossary
MSL
MSL (mean sea level) is a tidal and charting concept: a long-term average sea surface used for nautical charts and coastal datums. Inland pool guides citing NAVD 88 or NGVD 29 are using geodetic vertical datums—not interchangeable "MSL" labels without a published tie.
Related lake intelligence
Lake Arrowhead
/lakes/arrowhead-tx
Lake Arrowhead catalogs elevation reference MSL—compare only to readings using the same labels.
Related lake intelligence
Lake Martin
/lakes/martin
Lake Martin catalogs elevation reference MSL—compare only to readings using the same labels.
Related lake intelligence
Medina Lake
/lakes/medina-tx
Medina Lake catalogs elevation reference MSL—compare only to readings using the same labels.

